LibrePortal/scripts/network/variables/variables_init_app.sh

#!/bin/bash

# Default app variable setups
initializeAppVariables()
{
    app_name="$1"

    if [[ "$app_name" == "" ]]; then
        isError "Something went wrong...No app name provided..."
        if [[ "$initial_command2" == "terminal" ]]; then
            resetToMenu;
        fi
    fi

    # Build variable names based on app_name
    compose_setup_var="CFG_${app_name^^}_COMPOSE_FILE"
    domain_var="CFG_${app_name^^}_DOMAIN"
    whitelist_var="CFG_${app_name^^}_WHITELIST"
    healthcheck_var="CFG_${app_name^^}_HEALTHCHECK"
    authelia_var="CFG_${app_name^^}_AUTHELIA"
    headscale_var="CFG_${app_name^^}_HEADSCALE"
    app_category_var="CFG_${app_name^^}_CATEGORY"
    app_title_var="CFG_${app_name^^}_TITLE"

    # Access the variables using variable indirection
    compose_setup="${!compose_setup_var}"
    domain="${!domain_var}"
    whitelist="${!whitelist_var}"
    healthcheck="${!healthcheck_var}"
    authelia_setup="${!authelia_var}"
    headscale_setup="${!headscale_var}"
    app_category="${!app_category_var}"
    app_title="${!app_title_var}"
    domain_var_name="CFG_DOMAIN_${domain}"
    domain_full="${!domain_var_name}"
    ssl_key=${domain_full}.key
    ssl_crt=${domain_full}.crt
    # host_setup (the app's primary/canonical FQDN) is derived from the primary
    # Traefik port's subdomain, computed after the port arrays are parsed below.

    # Port configuration variables
    port_config_vars=()
    port_config_data=()
    # Arrays to hold parsed port configuration data
    port_service_names=()
    port_parent_services=()
    port_data_tags=()
    port_external_ports=()
    port_internal_ports=()
    port_access_types=()
    port_protocols=()
    port_traefik_managed=()
    port_url_accessibles=()
    port_login_requireds=()
    port_labels=()
    port_url_paths=()
    port_subdomains=()
    port_recommendeds=()

    for i in {1..20}; do
        port_config_vars+=("CFG_${app_name^^}_PORT_$i")
        # Store actual config data for port allocation
        local port_config_var="CFG_${app_name^^}_PORT_$i"
        local port_config_value="${!port_config_var}"
        if [[ -n "$port_config_value" ]]; then
            port_config_data+=("$port_config_value")

            # 12-col: parent|name|ext:int|access|proto|login|traefik|webui|label|url_path|subdomain|recommended
            # 10-col: parent|name|ext:int|access|proto|login|traefik|webui|label|url_path
            # 9-col:  parent|name|ext:int|access|proto|login|traefik|webui|label
            # Legacy 8-col: parent|name|ext:int|access|proto|traefik|webui|label  (login defaults to false)
            # Legacy 7-col: name|ext:int|access|proto|traefik|webui|label         (no parent, login defaults to false)
            local parts=(${port_config_value//|/ })
            if [[ ${#parts[@]} -ge 9 ]]; then
                local external_port="${parts[2]%%:*}"
                local internal_port="${parts[2]##*:}"
                port_parent_services+=("${parts[0]}")
                port_service_names+=("${parts[1]}")
                port_data_tags+=("PORTS_TAG_$i")
                port_external_ports+=("$external_port")
                port_internal_ports+=("$internal_port")
                port_access_types+=("${parts[3]}")
                port_protocols+=("${parts[4]}")
                port_login_requireds+=("${parts[5]}")
                port_traefik_managed+=("${parts[6]}")
                port_url_accessibles+=("${parts[7]}")
                port_labels+=("${parts[8]}")
                port_url_paths+=("${parts[9]:-}")
                port_subdomains+=("${parts[10]:-}")
                # Recommended defaults to the webui flag when the column isn't present —
                # matches the panel's expectation that webui ports are primary by default.
                if [[ ${#parts[@]} -ge 12 ]]; then
                    port_recommendeds+=("${parts[11]}")
                else
                    port_recommendeds+=("${parts[7]}")
                fi
            elif [[ ${#parts[@]} -ge 8 ]]; then
                local external_port="${parts[2]%%:*}"
                local internal_port="${parts[2]##*:}"
                port_parent_services+=("${parts[0]}")
                port_service_names+=("${parts[1]}")
                port_data_tags+=("PORTS_TAG_$i")
                port_external_ports+=("$external_port")
                port_internal_ports+=("$internal_port")
                port_access_types+=("${parts[3]}")
                port_protocols+=("${parts[4]}")
                port_traefik_managed+=("${parts[5]}")
                port_url_accessibles+=("${parts[6]}")
                port_login_requireds+=("false")
                port_labels+=("${parts[7]}")
                port_url_paths+=("")
                port_subdomains+=("")
                port_recommendeds+=("${parts[6]}")
            elif [[ ${#parts[@]} -ge 7 ]]; then
                local external_port="${parts[1]%%:*}"
                local internal_port="${parts[1]##*:}"
                port_parent_services+=("")
                port_service_names+=("${parts[0]}")
                port_data_tags+=("PORTS_TAG_$i")
                port_external_ports+=("$external_port")
                port_internal_ports+=("$internal_port")
                port_access_types+=("${parts[2]}")
                port_protocols+=("${parts[3]}")
                port_traefik_managed+=("${parts[4]}")
                port_url_accessibles+=("${parts[5]}")
                port_login_requireds+=("false")
                port_labels+=("${parts[6]}")
                port_url_paths+=("")
                port_subdomains+=("")
                port_recommendeds+=("${parts[5]}")
            fi
        fi
    done

    # Default Empty config options
    if [ "$authelia_setup" == "" ]; then
        authelia_setup=false
    fi
    if [ "$headscale_setup" == "" ]; then
        headscale_setup=false
    fi
    if [ "$whitelist" == "" ]; then
        whitelist=false
    fi
    if [ "$healthcheck" == "" ]; then
        healthcheck=true
    fi

    # No domain configured -> no Traefik, whatever the per-port column says.
    # LibrePortal is LAN/VPN-first: a box with CFG_DOMAIN_<n> unset must still
    # serve every app on http://<ip>:<port>. Left alone, a traefik=true port with
    # an empty $domain_full stamps Host(`<app>.`) — a trailing-dot host that
    # matches nothing — and drags APP_URL to https://<app>. with it, breaking any
    # app that builds its links from APP_URL (Bookstack, Nextcloud, Mastodon).
    # Forcing the column false makes tagsProcessorPortRouterBlocks comment the
    # router out entirely and lets tagsProcessorAppUrl fall through to the
    # http://<ip>:<port> branch. The published host port is unaffected — access
    # type, not the traefik flag, decides whether a port is allocated.
    if [[ -z "$domain_full" ]]; then
        local _nd
        for _nd in "${!port_traefik_managed[@]}"; do
            port_traefik_managed[$_nd]="false"
        done
    fi

    # $public is derived from the port config — true iff any of this app's
    # PORT_<n> rows have field 7 (traefik) == "true". Replaces the legacy
    # CFG_<APP>_PUBLIC field, which was redundant with the per-port flag.
    public="false"
    local _t
    for _t in "${port_traefik_managed[@]}"; do
        [[ "$_t" == "true" ]] && { public="true"; break; }
    done

    # Primary/canonical host for this app: its first recommended Traefik port,
    # else its first Traefik port. Feeds the legacy single DOMAINSUBNAME_DATA
    # (app env vars), the app URL, and trusted-domains. Mirrors the per-port
    # host rule (@/root -> apex, set -> sub.domain, empty -> app-name).
    host_setup="${app_name}.${domain_full}"
    local _i _primary=-1
    for ((_i = 0; _i < ${#port_service_names[@]}; _i++)); do
        [[ "${port_traefik_managed[$_i]}" == "true" ]] || continue
        if [[ "${port_recommendeds[$_i]}" == "true" ]]; then _primary=$_i; break; fi
        [[ $_primary -lt 0 ]] && _primary=$_i
    done
    if [[ $_primary -ge 0 ]]; then
        local _sub="${port_subdomains[$_primary]}"
        if [[ "$_sub" == "@" || "$_sub" == "root" ]]; then
            host_setup="${domain_full}"
        elif [[ -n "$_sub" ]]; then
            host_setup="${_sub}.${domain_full}"
        fi
    fi
    # Every branch above suffixes $domain_full, so with no domain configured they
    # all yield a bare trailing dot ("bookstack."). That string is not a host, and
    # it reaches DOMAINSUBNAME_TAG and the trusted-domains list regardless of the
    # Traefik flag — so blank it rather than let a non-resolving name ship. Both
    # consumers already treat empty as "no canonical host".
    [[ -z "$domain_full" ]] && host_setup=""
}